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    PERPENDICULAR MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME
    11.
    发明申请
    PERPENDICULAR MAGNETIC RECORDING MEDIUM AND METHOD OF MANUFACTURING THE SAME 有权
    全能磁记录介质及其制造方法

    公开(公告)号：US20080299416A1

    公开(公告)日：2008-12-04

    申请号：US12018270

    申请日：2008-01-23

    申请人： Seong-yong YOON ,  Chee-kheng Lim ,  Hoo-san Lee ,  Hoon-sang Oh ,  Sok-hyun Kong

    发明人： Seong-yong YOON ,  Chee-kheng Lim ,  Hoo-san Lee ,  Hoon-sang Oh ,  Sok-hyun Kong

    IPC分类号： G11B5/62 ,  G11B5/66 ,  G11B5/84 ,  G11B5/65

    CPC分类号： G11B5/667 ,  G11B5/64 ,  G11B5/65 ,  G11B5/7325 ,  G11B5/84

    摘要： A perpendicular magnetic recording medium and a method of manufacturing the same are provided. The perpendicular magnetic recording medium comprises a recording layer including a plurality of regions formed in the depth direction of the recording layer and a magnetic anisotropy constant of a region relatively deeper than another region, among the plurality of regions, is greater than that of the another region. The method of manufacturing a perpendicular magnetic recording medium includes: forming a recording layer having perpendicular magnetic anisotropy; and irradiating the recording layer with ions.

    摘要翻译： 提供了一种垂直磁记录介质及其制造方法。 垂直磁记录介质包括记录层，该记录层包括在记录层的深度方向上形成的多个区域和多个区域中比另一区域相对更深的区域的磁各向异性常数大于另一区域的磁各向异性常数 地区。 制造垂直磁记录介质的方法包括：形成具有垂直磁各向异性的记录层; 并用离子照射记录层。

    PATTERNED MAGNETIC RECORDING MEDIUM
    12.
    发明申请
    PATTERNED MAGNETIC RECORDING MEDIUM 有权
    图形磁记录介质

    公开(公告)号：US20080106821A1

    公开(公告)日：2008-05-08

    申请号：US11755765

    申请日：2007-05-31

    申请人： Chee-kheng Lim ,  Jin-seung Sohn ,  Byung-kyu Lee

    发明人： Chee-kheng Lim ,  Jin-seung Sohn ,  Byung-kyu Lee

    IPC分类号： G11B5/82

    CPC分类号： G11B5/82 ,  B82Y10/00 ,  G11B5/02 ,  G11B5/66 ,  G11B5/667 ,  G11B5/7325 ,  G11B5/743 ,  G11B5/746 ,  G11B5/855 ,  G11B2005/0005 ,  G11B2005/0029

    摘要： Provided is a patterned magnetic recording medium including a plurality of magnetic recording layers arranged at predetermined regular intervals on a substrate, wherein the magnetic recording layers are multi-layered and comprise a means of suppressing magnetic interaction between the magnetic recording layers. The magnetic recording layer includes a first ferromagnetic layer, the means of suppressing magnetic interaction, and a second ferromagnetic layer sequentially stacked, wherein the means of suppressing magnetic interaction is a soft magnetic layer.

    摘要翻译： 提供了一种图案化的磁记录介质，其包括在基板上以预定的规则间隔布置的多个磁记录层，其中磁记录层是多层的并且包括抑制磁记录层之间的磁相互作用的手段。 磁记录层包括第一铁磁层，抑制磁相互作用的装置和依次层叠的第二铁磁层，其中抑制磁相互作用的手段是软磁性层。

    Perpendicular magnetic recording head
    14.
    发明授权
    Perpendicular magnetic recording head 失效
    垂直磁记录头

    公开(公告)号：US07672081B2

    公开(公告)日：2010-03-02

    申请号：US11503296

    申请日：2006-08-14

    申请人： Chee-kheng Lim ,  Eun-sik Kim ,  Yong-su Kim

    发明人： Chee-kheng Lim ,  Eun-sik Kim ,  Yong-su Kim

    IPC分类号： G11B5/127

    CPC分类号： G11B5/012 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/3146 ,  G11B2005/0029

    摘要： A perpendicular magnetic recording head which moves in a track direction of a recording layer of a perpendicular magnetic recording medium to write information on the recording layer or read information from the recording layer. The perpendicular magnetic recording head includes: the perpendicular magnetic recording medium including a soft magnetic underlayer and the recording layer; a write head including a main pole that applies a magnetic field to, and writes information to, the recording layer and a return pole having a first end which is connected to the main pole and having a second end which is spaced apart from the main pole over an air bearing surface (ABS) of the perpendicular magnetic recording head which is adjacent to the recording layer; and a permanent magnet formed on at least one side of the write head.

    摘要翻译： 垂直磁记录头，其在垂直磁记录介质的记录层的轨道方向上移动以在记录层上写入信息或从记录层读取信息。 垂直磁记录头包括：包括软磁性底层和记录层的垂直磁记录介质; 写头，其包括向记录层施加磁场并向其写入信息的主极;以及返回极，其具有连接到主极的第一端，并且具有与主极间隔开的第二端 在与记录层相邻的垂直磁记录头的空气轴承表面（ABS）上; 以及形成在所述写入头的至少一侧上的永磁体。

    Multi-bit magnetic memory device using spin-polarized current and methods of manufacturing and operating the same
    15.
    发明申请
    Multi-bit magnetic memory device using spin-polarized current and methods of manufacturing and operating the same 有权
    使用自旋极化电流的多位磁存储器件及其制造和操作方法

    公开(公告)号：US20070206405A1

    公开(公告)日：2007-09-06

    申请号：US11347228

    申请日：2006-02-06

    申请人： Chee-kheng Lim ,  Yong-su Kim

    发明人： Chee-kheng Lim ,  Yong-su Kim

    IPC分类号： G11C11/00

    CPC分类号： H01L43/08 ,  B82Y10/00 ,  G11C11/16 ,  G11C11/5607 ,  H01L27/228

    摘要： A multi-bit magnetic memory device using a spin-polarized current and methods of manufacturing and operating the same. The magnetic memory device includes a switching device and a magnetic storage node connected to the switching device, wherein the magnetic storage node includes a first magnetic layer, a second magnetic layer and a free magnetic layer which are vertically and separately disposed from one another. The first and second magnetic layer have transmission characteristics opposite to each other for spin-polarized electrons, and have magnetic polarizations that are opposite to each other. The free magnetic layer may include first and second free magnetic layers, which are separately disposed from each other. The magnetic storage node may further include third and fourth magnetic layers that are separately disposed between the first and second free magnetic layers.

    摘要翻译： 使用自旋极化电流的多位磁存储器件及其制造和操作方法。 磁存储器件包括连接到开关器件的开关器件和磁存储节点，其中磁存储节点包括彼此垂直且分开设置的第一磁性层，第二磁性层和自由磁性层。 第一和第二磁性层对于自旋极化电子具有彼此相反的传输特性，并且具有彼此相反的磁极化。 自由磁性层可以包括彼此分开设置的第一和第二自由磁性层。 磁存储节点还可以包括分开设置在第一和第二自由磁性层之间的第三和第四磁性层。

    Semiconductor device using magnetic domain wall moving
    17.
    发明申请
    Semiconductor device using magnetic domain wall moving 有权
    半导体器件采用磁畴壁移动

    公开(公告)号：US20080025060A1

    公开(公告)日：2008-01-31

    申请号：US11655927

    申请日：2007-01-22

    申请人： Chee-kheng Lim ,  Yong-su Kim

    发明人： Chee-kheng Lim ,  Yong-su Kim

    IPC分类号： G11C19/00

    CPC分类号： G11C19/0808 ,  G11C11/14 ,  G11C19/0841 ,  Y10S977/933

    摘要： Provided is a semiconductor device that uses magnetic domain wall movement. The semiconductor device includes a magnetic wire having a plurality of magnetic domains, wherein the magnetic wire comprises a magnetic domain wall that is moved by either a pulse field or a pulse current. The magnetic wire of the semiconductor device does not require an additional notch since the magnetic wire includes a magnetic domain wall, the moving distance of which is controlled by a pulse field or a pulse current.

    摘要翻译： 提供了使用磁畴壁运动的半导体器件。 半导体器件包括具有多个磁畴的磁线，其中磁线包括通过脉冲场或脉冲电流移动的磁畴壁。 半导体器件的磁线不需要额外的凹口，因为磁线包括磁畴壁，其移动距离由脉冲场或脉冲电流控制。

    Perpendicular magnetic recording head
    18.
    发明申请
    Perpendicular magnetic recording head 失效
    垂直磁记录头

    公开(公告)号：US20070035884A1

    公开(公告)日：2007-02-15

    申请号：US11503296

    申请日：2006-08-14

    申请人： Chee-kheng Lim ,  Eun-sik Kim ,  Yong-su Kim

    发明人： Chee-kheng Lim ,  Eun-sik Kim ,  Yong-su Kim

    IPC分类号： G11B5/33

    CPC分类号： G11B5/012 ,  G11B5/1278 ,  G11B5/3116 ,  G11B5/3146 ,  G11B2005/0029

    摘要： A perpendicular magnetic recording head which moves in a track direction of a recording layer of a perpendicular magnetic recording medium to write information on the recording layer or read information from the recording layer. The perpendicular magnetic recording head includes: the perpendicular magnetic recording medium including a soft magnetic underlayer and the recording layer; a write head including a main pole that applies a magnetic field to, and writes information to, the recording layer and a return pole having a first end which is connected to the main pole and having a second end which is spaced apart from the main pole over an air bearing surface (ABS) of the perpendicular magnetic recording head which is adjacent to the recording layer; and a permanent magnet formed on at least one side of the write head.

    摘要翻译： 垂直磁记录头，其在垂直磁记录介质的记录层的轨道方向上移动以在记录层上写入信息或从记录层读取信息。 垂直磁记录头包括：包括软磁性底层和记录层的垂直磁记录介质; 写头，其包括向记录层施加磁场并向其写入信息的主极;以及返回极，其具有连接到主极的第一端，并且具有与主极间隔开的第二端 在与记录层相邻的垂直磁记录头的空气轴承表面（ABS）上; 以及形成在所述写入头的至少一侧上的永磁体。

    Perpendicular magnetic recording head having a tapered main pole
    19.
    发明授权
    Perpendicular magnetic recording head having a tapered main pole 失效
    具有锥形主极的垂直磁记录头

    公开(公告)号：US08098456B2

    公开(公告)日：2012-01-17

    申请号：US11413000

    申请日：2006-04-28

    申请人： Chee-kheng Lim ,  Yong-su Kim ,  Hoo-san Lee

    发明人： Chee-kheng Lim ,  Yong-su Kim ,  Hoo-san Lee

    IPC分类号： G11B5/127

    CPC分类号： G11B5/1278 ,  G11B5/11

    摘要： A perpendicular magnetic recording head including: a data recording module comprising a main pole, a return pole, and a coil wrapped around the main pole; and a data reproduction module including magnetic shield layers and a reading device located between the magnetic shield layers, wherein the width of a lower end of the main pole is gradually reduced in a downward direction thereof, and the lower end of the main pole comprises a first part and a second part extending from the first part, the first part having a curved surface of a first curvature and the second part having a curved surface of a second curvature. The first curvature can be equal to or different from the second curvature, and magnetic shield devices can be further disposed on both sides of the lower end of the main pole.

    摘要翻译： 一种垂直磁记录头，包括：数据记录模块，包括主极，返回极和缠绕在主极上的线圈; 以及包括磁屏蔽层和位于磁屏蔽层之间的读取装置的数据再现模块，其中主极的下端的宽度在其向下的方向上逐渐减小，并且主极的下端包括 第一部分和第二部分从第一部分延伸，第一部分具有第一曲率的曲面，第二部分具有第二曲率的曲面。 第一曲率可以等于或不同于第二曲率，并且磁屏蔽装置可以进一步设置在主极的下端的两侧。